<?php
    echo $this->Form->input("$type.city_id", array(
                        'label'     => false,
                        'div'       => false,
                        'options'   =>$cities,
                        'selected'  =>$city_id,
                        'data-placeholder'=>'Select a city',
                        'empty'     =>'',
                        'class'     => 'inp chosen')
        );
?>